Quizzes, tests, exercises and puzzles for English as a Second Language (ESL), English as a foreign language (EFL), Teaching EFL (TEFL), Test of EFL (TOEFL), English for speakers of other languages (ESOL), Teaching ESOL (TESOL), TOEIC.
Fact
The amount of drag or air resistance produced by putting your bicycle on top of your car is so great that on a trip from England to Scotland it would be cheaper to send it by train because of the fuel consumption to overcome the drag. .. More >>